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1. Explain the meaning of a 0.95 confidence interval.
2. you want to compute a 0.80, 0.92, or a 0.98 confidence interval for µ when σ is known, and sampling is from a normal distribution, what values for c should you use in Equation (4.8)?
Give a 95% confidence interval for the difference in bleeding times. Do you think pressure increases mean bleeding time? Why?
Explain your answer to someone who is familiar with the T test for a single sample, but not with the T test independent means.
Prepare a list of at least three job-related assets that you have and explain why and how these qualities would be useful to a potential employer.
a hospital conducted a study of waiting time in its emergencyroom. the hospital has a main campus and three satellite
Compute the time-average autocorrelation function. -- Compute the ensemble average autocorrelation function.
Plan the scatter diagram
a two-sample t test is performed with hau1gtu2 and a test statistic of t-1.24 is observed. draw a sketch of the area
You want to test the hypothesis that the mean age for teachers is equal to 50. If you take a sample of 64 observations and find a sample mean of 49
Healthcare issues are receiving much attention in both academic and political arenas. Compute the arithmetic mean age of the uninsured senior citizens to the nearest hundredth of a year.
Perform the test as it should have been done and find if you come to a different conclusion. Explain why the results were different and why your test was a stronger and more reliable test.
Of those customers using extra unleaded or premium gas, 60% fill their tanks. What is the probability that the next customer fills the tank?
a directory of personal computer retail outlets in the united states contains 12080 alphabetized entries. explain how
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